Tetranortriterpenoids from the heartwood of Carapa guianensis
✍ Scribed by Guido B. Marcelle; Baldwin S. Mootoo
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- English
- Weight
- 209 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0031-9422
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Carapolides D and E, two new ring E cleaved tetranortriterpenoids, and carapolide F, a novel tetranortriterpenoid spirolactone, have been isolated from the seeds of Carapa grandiflora and have been assigned structures (l),(3) and (6) on the basis of their 1 H and 13 C spectroscopic properties.
## Smg : Carapolide A, a novel hexanortriterpenoid, and carapolides B and C, novel tetranortriterpenoids have been isolated from the seeds of Varapa procera and have been assigned structures ( 2)) (10) and (11) respectively on the basis of chemical and spectroscopic evidente.
## Abstract Five new tetranortriterpenoids, toonaciliatones B–F (**1**–**5**, resp.), together with four known compounds, dihydrocedrelone (**6**), cedrelone (**7**), 6__α__‐acetoxyazadirone (**8**), and 6__α__‐acetoxy‐14__β__,15__β__‐epoxyazadirone (**9**), were isolated from the seeds of __Toona